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Mercedes Home > Mercedes-Benz Technical Articles  > Mercedes-Benz R170 Technical Articles
   Mercedes-Benz SLK-Class R170 (1998-2004) Technical Articles

Welcome to our Mercedes-Benz SLK 230 technical articles section.  We've gathered a vast collection of useful articles to help you repair many items on your Mercedes.  Save money by avoiding your mechanic and perform the repairs using the information we've provided here.  Can't find what you're looking for?  Try our Search Engine, or hop over to our Technical Bulletin Board, and ask your question to the thousands of members who post messages there every day.

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Jump to: Engine | Fuel Injection | Cooling System | Transmission | Brakes | Suspension | Electrical | Body/Interior | Exhaust

 Basics & Essentials
Air Filter Replacement
New to working on your car?  Not sure where the air filter is?  Check out this simple article.
     Applies to: SLK 230 R170 (1998-2004)
Replacing Your Accessory Drive Belts
Worn drive belts. Here's some short instructions on this very basic of maintenance tasks.
     Applies to: SLK 230 R170 (1998-2004)
The Simple Oil Change
Frequent oil changes are perhaps the most important procedure you can do to maintain and prolong the life of your engine.
     Applies to: SLK 230 R170 (1998-2004)
Jacking up your SLK  
Most common tasks need the car to be jacked up in the air. But where should you place the jack, and what is the safest method of lifting it? It's all answered here
     Applies to: SLK 230 R170 (1998-2004)
Identifying R170 SLK Vehicle Options
Learn to identifying the various options your R170 may have and how to interpret them.
     Applies to: SLK 230 R170 (1998-2004)
 Engine
MAF Sensor Cleaning
Keep accurate incoming air info flowing to your ECU by cleaning your MAF sensor
     Applies to: SLK 230 R170 (1998-2004)
Supercharger Removal
In this article I will go over the steps to remove your supercharger
     Applies to: SLK 230 R170 (1998-2004)
Supercharger Oil Change
In this article I will go over the steps to change your supercharger oil
     Applies to: SLK 230 R170 (1998-2004)
Exhaust Manifold Removal
Exhaust leaks are annoying, particularly at the exhaust manifold. Fix those annoying leaks with this article
     Applies to: SLK 230 R170 (1998-2004)
Oil Level Sensor Replacement
Oil level in your dash no longer accurate? Swap that pesky sensor out in no time!
     Applies to: SLK 230 R170 (1998-2004)
Air Intake Duct Removal
Need access to the supercharger or exhaust manifold? First you have to remove the air intake duct.
     Applies to: SLK 230 R170 (1998-2004)
Camshaft Positioning Sensor Replacement
A bad cam sensor can cause reduced engine power and a check engine light. Here's how to change it out in under 10 minutes.
     Applies to: SLK 230 R170 (1998-2004)
Crankshaft Positioning Sensor Replacement
Crankshaft sensor fault code or an engine that won't start. We'll show you how to replace your crank sensor in this tech article.
     Applies to: SLK 230 R170 (1998-2004)
Engine Mount Replacement
Engine Mount Replacement
     Applies to: SLK 230 R170 (1998-2004)
Oil Separator Replacement
Reduce engine emissions by replacing you engine air-oil separator
     Applies to: SLK 230 R170 (1998-2004)
Spark Plugs Wire and Coil Replacement
Mercedes recommends replacing the spark plugs on SLK230 models every 100,000 miles or five years
     Applies to: SLK 230 R170 (1998-2004)
Replacing Your Belt Tensioners
Over time the tensioner can fail to maintain the proper tension and the belt will start to slip.
     Applies to: SLK 230 R170 (1998-2004)
Valve Cover Gasket Replacement
Noticed that the area around your valve cover is filthy with oil? There is a very good chance the gaskets are going bad. Follow our easy replacement steps.
     Applies to: SLK 230 R170 (1998-2004)
MAF Sensor Replacement
Changing the SLK230 MAF sensor is easy with our handy replacement guide.
     Applies to: SLK 230 R170 (1998-2004)
Exhaust Manifold Removal
Got a leak in your exhaust manifold? Fix it with this tech article.
     Applies to: SLK 230 R170 (1998-2004)
 Fuel Injection
Fuel Filter Replacement
Fuel Filter Replacement
     Applies to: SLK 230 R170 (1998-2004)
Fuel Pump Replacement
Fuel Pump Replacement
     Applies to: SLK 230 R170 (1998-2004)
Fuel Injector Replacement
If your car is starting to run rough, getting horrible gas mileage or has an error code, there is a good chance it is time to replace the fuel injectors
     Applies to: SLK 230 R170 (1998-2004)
Fuel Level Sender Replacement
Fuel Level Sender Replacement
     Applies to: SLK 230 R170 (1998-2004)
 Brakes
ABS Wheel Speed Sensor Replacement
ABS warning light blinking? It may be time to replace your sensor.
     Applies to: SLK 230 R170 (1998-2004)
Brake Bleeding and Flushing
Keep your brake fluid fresh and new by bleeding and flushing the hydraulic brake system. Here's how.
     Applies to: SLK 230 R170 (1998-2004)
Emergency Parking Brake Replacement
Replace your parking brake with help from Pelican
     Applies to: SLK 230 R170 (1998-2004)
Parking Brake Adjustment
Parking Brake Adjustment
     Applies to: SLK 230 R170 (1998-2004)
Brake Assist Control Module Replacement
Brake Assist Control Module Replacement
     Applies to: SLK 230 R170 (1998-2004)
Brake Hose Replacement
Brake Hose Replacement
     Applies to: SLK 230 R170 (1998-2004)
Brake Switch Replacement
Brake Switch Replacement
     Applies to: SLK 230 R170 (1998-2004)
Control Module Replacement
Control Module Replacement
     Applies to: SLK 230 R170 (1998-2004)
Rear Brake Pad Replacement
Rear Brake Pad Replacement
     Applies to: SLK 230 R170 (1998-2004)
Rear Brake Rotor and Caliper Replacement
Rear Brake Rotor and Caliper Replacement
     Applies to: SLK 230 R170 (1998-2004)
Master Cylinder Replacement
Brakes still bad after checking the pads, rotors and calipers? The master cylinder may need to be replaced.
     Applies to: SLK 230 R170 (1998-2004)
Master Cylinder Bench Bleeding
Step by step instructions to bleed your master cylinder.
     Applies to: SLK 230 R170 (1998-2004)
Vacuum Booster Removal
How to remove the brake booster
     Applies to: SLK 230 R170 (1998-2004)
 Water Cooling System
Cooling Hose Replacement
By periodically replacing your engine's cooling hoses, you'll minimize the chance that your engine overheats. It's easy. We show you how here.
     Applies to: SLK 230 R170 (1998-2004)
Coolant Expansion Tank Replacement
Over time, the coolant expansion tank tends to turn yellow, become brittle and form micro fractures and sometimes leak. Replacing the tank is quick and relatively inexpensive.
     Applies to: SLK 230 R170 (1998-2004)
Coolant Flush and Replacement
Mercedes recommends replacing your coolant every three years
     Applies to: SLK 230 R170 (1998-2004)
Coolant Temperature Sensor Replacement
Replacing the coolant temperature sensor on your SLK230 is a relatively easy job and can be accomplished in under an hour
     Applies to: SLK 230 R170 (1998-2004)
Fan and Shroud Replacement
If your fan fails and needs replacing, follow these easy steps.
     Applies to: SLK 230 R170 (1998-2004)
Radiator Replacement
Over time your radiator can wear out. Save money by replacing it yourself by following these easy steps.
     Applies to: SLK 230 R170 (1998-2004)
Replacing Your Thermostat
If your car is running too hot and there is the proper amount of coolant in the car, your thermostat may need to be replaced.
     Applies to: SLK 230 R170 (1998-2004)
Replacing Your Water Pump
Notice that your car tends to overheat at low engine speed, such as sitting at a stoplight? It may be time to replace your water pump.
     Applies to: SLK 230 R170 (1998-2004)
 Suspension
Rear Multi Link Suspension Removal
A mushy-riding suspension that tends to wander indicates that the bushings are wearing out
     Applies to: SLK 230 R170 (1998-2004)
Rear Wheel Hub Removal
In this article we will focus on the steps involved in removing the rear wheel hub
     Applies to: SLK 230 R170 (1998-2004)
Rear Wheel Bearing Replacement
If your R170 SLK sounds like you're seated next to the jet engine on an airplane instead of in a Mercedes-Benz driver's seat, your wheel bearings might be bad.
     Applies to: SLK 230 R170 (1998-2004)
Rear Suspension Bushing Replacement
Replace those worn out rubber bushings with our easy step by step instructions
     Applies to: SLK 230 R170 (1998-2004)
Rear Axle Differential Oil Change
Prolong bearing life and eliminate gear whine with a rear differential oil change.
     Applies to: SLK 230 R170 (1998-2004)
Front Coil Spring Shock Replacement
Replace your own springs and shocks with help from Pelican
     Applies to: SLK 230 R170 (1998-2004)
Rear Coil Spring Shock Replacement
Get better ride and handling by replacing your rear shocks and springs
     Applies to: SLK 230 R170 (1998-2004)
Power Steering Pump Removal
Over time the power steering pump tends to fail. In this article, I'll go over the steps involved with replacing the pump. 
     Applies to: SLK 230 R170 (1998-2004)
Anti-Swaybar Torsion Bar Removal
How to remove the front anti-swaybar, aka torsion bar, to replace the bushings
     Applies to: SLK 230 R170 (1998-2004)
Rear Axle Shaft Removal
How to replace your rear axle shaft
     Applies to: SLK 230 R170 (1998-2004)
Rear Knuckle Removal
How to remove your rear knuckle
     Applies to: SLK 230 R170 (1998-2004)
 Body & Interior
Instrument Cluster Removal Bulb Replacement
If your instrument cluster is getting a bit dim, don't worry. It's rather easy to replace the cluster's bulbs. We show you how.
     Applies to: SLK 230 R170 (1998-2004)
Convertible Vario Top Hydraulic Pump Unit Service
Fix your broken convertible top with help from Pelican
     Applies to: SLK 230 R170 (1998-2004)
Rear Bumper Replacement
Rear Bumper Replacement
     Applies to: SLK 230 R170 (1998-2004)
Washer Reservoir Replacement
Windshield Reservoir Replacement
     Applies to: SLK 230 R170 (1998-2004)
Radiator Grille Paneling Replacement
Fix your jacked up grille with help from this easy tech article.
     Applies to: SLK 230 R170 (1998-2004)
Trunk Panel Removal
Trunk Panel Removal
     Applies to: SLK 230 R170 (1998-2004)
Cabin Air Filter Replacement
Cabin Filter Replacement
     Applies to: SLK 230 R170 (1998-2004)
Front Fender Liner Removal
Front Fender Liner Removal
     Applies to: SLK 230 R170 (1998-2004)
Hood Shocks Replacement
Hood Shock Replacement
     Applies to: SLK 230 R170 (1998-2004)
Underbody Tray Removal
Removing the under body tray is an essential first step for a variety of job. These trays serve to both keep components above them protected from road grime and water as well as improve the aerodynamics underneath the car.
     Applies to: SLK 230 R170 (1998-2004)
Rear Center Console Removal
Don't spend a lot of money by paying someone else to remove your rear center console when Pelican Parts shows you everything you need to Do It Yourself, right here.
     Applies to: SLK 230 R170 (1998-2004)
Seat Removal
Replace or refresh your seats by following our simple removal steps.
     Applies to: SLK 230 R170 (1998-2004)
Shifter Knob Removal
Step by step instructions to remove and replace your shifter knob
     Applies to: SLK 230 R170 (1998-2004)
Turn Signal Stalk Combination Switch Replacement
Step by step instructions to fix a floppy turn signal stalk.
     Applies to: SLK 230 R170 (1998-2004)
Front Window Adjustment
After replacing side windows, adjustment is necessary to align the glass properly with the weather stripping.
     Applies to: SLK 230 R170 (1998-2004)
Shifter Cover Removal
The most time-consuming part of DIY repair can be removing all the parts that cover the ones you need to access. The shifter cover plate is a prime example. Learn how to remove it here.
     Applies to: SLK 230 R170 (1998-2004)
Lower Left Dash Interior Panel Removal
Removing the lower interior panel is a essential and easy first step to many DIY projects.
     Applies to: SLK 230 R170 (1998-2004)
Front Door Panel Removal
Step by step instructions to remove your door panel.
     Applies to: SLK 230 R170 (1998-2004)
Front Window Motor Replacement
Window motors will eventually wear out. Learn to replace them using our tech article.
     Applies to: SLK 230 R170 (1998-2004)
Front Side Window Replacement
Step by step instructions to replace the front side windshields
     Applies to: SLK 230 R170 (1998-2004)
Steering Angle Sensor Removal
Replace your steering angle sensor with help from Pelican!
     Applies to: SLK 230 R170 (1998-2004)
Door Handle Replacement
This article will show you how to remove and replace your door handles
     Applies to: SLK 230 R170 (1998-2004)
Door Lock Latch Replacement
This article will show you how to replace your front door latch mechanism and vacuum element
     Applies to: SLK 230 R170 (1998-2004)
Front Door Limiter Replacement
Door limiters wear out. Don't let yours break and cause further damage to your Mercedes-Benz. You can easily replace them yourself by following the steps laid out in this article.
     Applies to: SLK 230 R170 (1998-2004)
Side Mirror Repair and Replacement
Replace that broken side mirror with help from Pelican
     Applies to: SLK 230 R170 (1998-2004)
Vario Power Top Manual Closing
Learn how to manually raise the stuck roof of your SLK
     Applies to: SLK 230 R170 (1998-2004)
Head Light and Turn Signal Light Replacement
Step by step instructions to replace dim or burned out headlights
     Applies to: SLK 230 R170 (1998-2004)
Door Window Seal Weather Stripping Replacement
Tired of getting wet every time it rains? It might be time to replace your seals.
     Applies to: SLK 230 R170 (1998-2004)
Headliner Removal and Replacement
Is it time to clean or replace your headliner? Follow these easy removal steps.
     Applies to: SLK 230 R170 (1998-2004)
Dome Light Replacement
Lights burn out. Keep the interior of your car illuminated with this tech article
     Applies to: SLK 230 R170 (1998-2004)
Trunk Latch Removal
Trunk won't open? It may be time to replace the trunk latch.
     Applies to: SLK 230 R170 (1998-2004)
Vario Roof Switches Location ID
Locate and repair the switches of your convertible top with this tech article.
     Applies to: SLK 230 R170 (1998-2004)
Upper Windshield Panel and A-Pillar Cover Removal
Need to access parts behind the upper windshield panel and A-pillar? Here are step by step removal instructions
     Applies to: SLK 230 R170 (1998-2004)
B-Pillar Base Cover Panel Removal
Step by step instructions to remove your B-Pillar base cover.
     Applies to: SLK 230 R170 (1998-2004)
Vario Roof Hydraulic Cylinder ID and Replacement
In this tech article you will learn how to find and fix Vario roof switches.
     Applies to: SLK 230 R170 (1998-2004)
HomeLink Module Cell Phone Microphone Replacement
How to remove the HomeLink garage door opener and hands-free cellular mic.
     Applies to: SLK 230 R170 (1998-2004)
Rearview Mirror Removal
Step by step instructions to remove the auto-dimming interior rearview mirror.
     Applies to: SLK 230 R170 (1998-2004)
Trunk Lock Cylinder Repair
Trunk lock acting up? Replace it with this tech article.
     Applies to: SLK 230 R170 (1998-2004)
Interior Rear Wall Panel Removal
Learn to remove the rear wall panel and get access to components behind it
     Applies to: SLK 230 R170 (1998-2004)
Interior Shelf Rattle Solutions
How to fix the annoying rattle behind the seat
     Applies to: SLK 230 R170 (1998-2004)
Rear Quarter Window Removal
How to remove the rear quarter windows
     Applies to: SLK 230 R170 (1998-2004)
Cruise Control Switch Replacement
How to replace your cruise control switch
     Applies to: SLK 230 R170 (1998-2004)
 Transmission
Driveshaft Removal
Driveshaft vibrations make for annoying driving. By removing your driveshaft, we show you how you can discover the cause of the vibration and correct the problem.
     Applies to: SLK 230 R170 (1998-2004)
Rear Engine Transmission Mount Replacement
If you have bad transmission mounts, you'll get vibration in the cockpit and diminished use of your transmission. Replace the transmission mounts. We show you how.
     Applies to: SLK 230 R170 (1998-2004)
Rear Flex Coupling Disc Replacement
If you replace you driveshaft's rubber coupling discs, you can increase the life of your driveshaft and eliminate annoying vibrations in the interior. We show you how.
     Applies to: SLK 230 R170 (1998-2004)
Rear Engine Transmission Mount Replacement
A bad transmission mount can transfer drive train vibration to the cabin. Follow our easy steps to get a smooth ride.
     Applies to: SLK 230 R170 (1998-2004)
Automatic Transmission Fluid Flush Filter Change
Extend the life of your transmission by changing the fluid and filter
     Applies to: SLK 230 R170 (1998-2004)
Gear Selector Bushing Replacement
How to replace gear selector bushings on the automatic transmissions' shift levers
     Applies to: SLK 230 R170 (1998-2004)
Gear Selector Lever Assembly (ESM) Removal
How to remove the gear shift lever / Electronic Selector Lever Module (ESM)
     Applies to: SLK 230 R170 (1998-2004)
 Electrical
Reading Fault Codes
Don't ignore that blinking check engine light. Learn to diagnose the problem with this article.
     Applies to: SLK 230 R170 (1998-2004)
License Plate Light Replacement
Step by step instructions to replace your license plate light.
     Applies to: SLK 230 R170 (1998-2004)
Alternator Replacement
If your car won't start, you may need to replace your alternator. It's what keeps your electrical system charged up. Replace that alternator now. It's easy.
     Applies to: SLK 230 R170 (1998-2004)
Starter Replacement
Starter Replacement
     Applies to: SLK 230 R170 (1998-2004)
Third Brake Light Replacement
This article will show you how to replace your third brake light
     Applies to: SLK 230 R170 (1998-2004)
Battery Replacement Maintenance
Replace your battery with help from Pelican!
     Applies to: SLK 230 R170 (1998-2004)
K40 Overload Relay Repair
Does your SLK have starting, idling, and engine stumbling problems? You K40 Overload Relay may be the problem.
     Applies to: SLK 230 R170 (1998-2004)
License Plate Light Replacement
Step by step instructions to replace your license plate light.
     Applies to: SLK 230 R170 (1998-2004)
Radio Removal
Step by step instructions to remove your radio
     Applies to: SLK 230 R170 (1998-2004)
Testing Relays
If one of your car's electrical accessories isn't working a bad relay may be the cause. Learn to replace it with this tech article.
     Applies to: SLK 230 R170 (1998-2004)
Headlight Switch Replacement
If your headlights aren't working after replacing the bulbs and fuse, it may be time to replace the headlight switch.
     Applies to: SLK 230 R170 (1998-2004)
Ignition Switch Tumbler Replacement
How to replace the ignition lock cylinder/tumbler and key
     Applies to: SLK 230 R170 (1998-2004)
 Exhaust
After Cat Muffler Tailpipe Replacement
Get your car purring like a kitten by replacing your worn out mufflers with an after-cat muffler and tailpipe. Pelican Parts shows you how.
     Applies to: SLK 230 R170 (1998-2004)
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